* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Light Mode (Cloudflare Dashboard Style) */
:root[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f7fb;
    --bg-tertiary: #eff2f5;
    --text-primary: #1a202c;
    --text-secondary: #6c757d;
    --border-color: #d4d7de;
    --accent: #0051ba;
    --accent-hover: #003e8f;
    --file-hover: #f0f2f5;
}

/* Dark Mode (GitHub Style) */
:root[data-theme="dark"] {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --border-color: #30363d;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --file-hover: #1c2128;
}

/* Default to dark mode */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --border-color: #30363d;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --file-hover: #1c2128;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    position: sticky;
    top: 0;
    z-index: 10;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.breadcrumbs {
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 3px;
}

.path-container {
    display: flex;
    align-items: center;
    gap: 0;
    flex-wrap: wrap;
    word-break: break-all;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.breadcrumb-link {
    color: var(--accent);
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    transition: all 0.2s ease;
    cursor: pointer;
}

.breadcrumb-link:hover {
    background-color: var(--bg-tertiary);
    color: var(--accent-hover);
}

.breadcrumb-text {
    color: var(--text-secondary);
    padding: 0.25rem 0.5rem;
}

.breadcrumb-sep {
    color: var(--text-secondary);
    margin: 0 0.25rem;
}

.controls {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.5rem 1rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

.btn:active {
    transform: scale(0.98);
}

.content {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.meta {
    display: flex;
    gap: 2rem;
    font-size: 0.875rem;
    flex-wrap: wrap;
}

#summary {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.meta-item {
    white-space: nowrap;
}

.meta-item b {
    color: var(--text-primary);
    font-weight: 600;
}

.layout-toggle {
    display: flex;
    gap: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.25rem;
    background-color: var(--bg-tertiary);
}

.layout-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 0.25rem;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.layout-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

.layout-btn.active {
    background-color: var(--accent);
    color: white;
}

.listing {
    flex: 1;
    padding: 1.5rem;
    overflow-x: auto;
}

/* Table Layout */
.file-table {
    width: 100%;
    border-collapse: collapse;
}

.file-table thead {
    position: sticky;
    top: 0;
    background-color: var(--bg-secondary);
    z-index: 5;
}

.file-table th {
    text-align: left;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.file-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease;
    cursor: pointer;
}

.file-table tbody tr:hover {
    background-color: var(--file-hover);
}

.file-table td {
    padding: 0.75rem;
    color: var(--text-primary);
}

.file-table td.icon {
    width: 2.5rem;
    font-size: 1.25rem;
    text-align: center;
}

.file-table td.name {
    font-weight: 500;
}

.file-table tr.directory td.name {
    color: var(--accent);
    font-weight: 600;
}

.file-table td.size,
.file-table td.date {
    color: var(--text-secondary);
    font-size: 0.875rem;
    white-space: nowrap;
}

/* Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
}

.grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.grid-item:hover {
    background-color: var(--file-hover);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.grid-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.grid-name {
    font-weight: 500;
    color: var(--text-primary);
    word-break: break-word;
    overflow-wrap: break-word;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.grid-item:has(.grid-name) .grid-name {
    color: var(--accent);
    font-weight: 600;
}

.grid-size {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: auto;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 1rem;
    }

    .listing {
        padding: 1rem;
    }

    .content {
        padding: 1rem;
        flex-direction: column;
        align-items: flex-start;
    }

    .file-table td.date {
        display: none;
    }

    .file-table th:last-child {
        display: none;
    }

    .grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 0.75rem;
    }

    .grid-item {
        padding: 0.75rem;
    }

    .path-container {
        font-size: 0.9rem;
        margin-bottom: 0.75rem;
    }

    .meta {
        gap: 1rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .container {
        min-height: auto;
    }

    .header {
        padding: 0.75rem;
    }

    .listing {
        padding: 0.75rem;
    }

    .content {
        padding: 0.75rem;
        gap: 0.5rem;
    }

    .path-container {
        font-size: 0.8rem;
        margin-bottom: 0.5rem;
    }

    .breadcrumb-link,
    .breadcrumb-text,
    .breadcrumb-sep {
        padding: 0.125rem 0.25rem;
    }

    .controls {
        width: 100%;
        gap: 0.5rem;
    }

    .btn {
        flex: 1;
        padding: 0.5rem;
        font-size: 0.75rem;
    }

    .meta {
        gap: 1rem;
        font-size: 0.75rem;
        flex-direction: column;
    }

    .file-table th,
    .file-table td {
        padding: 0.5rem 0.25rem;
    }

    .file-table td.size {
        display: none;
    }

    .grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 0.5rem;
    }

    .grid-item {
        padding: 0.5rem;
    }

    .grid-icon {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }

    .grid-name {
        font-size: 0.7rem;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}